Daytime Light Exposure in Daily Life and Depressive Symptoms in Bipolar Disorder: Cross-Sectional Analysis in the APPLE Cohort
Esaki Y , Kitajima T , Obayashi K , Saeki K , Fujita K , Iwata N
J Psychiatr Res 116(9) 151-156 Sep, 2019

Association between Glaucomatous Optic Disc and Depressive Symptoms Independent of Light Exposure Profiles: A Cross-Sectional Study of the HEIJO-KYO Cohort
Yoshikawa T , Obayashi K* , Miyata K , Ueda T , Kurumatani N , Saeki K , Ogata N
Brit J Ophthalmol 103(8) 1119-1122 Aug, 2019

Pre-Awake Light Exposure and Sleep Disturbances: Findings from the HEIJO-KYO Cohort
Obayashi K* , Yamagami Y , Kurumatani N , Saeki K
Sleep Med 54(2) 121-125 2019年2月

Diminished Circadian Blood Pressure Variability in Elderly Individuals with Nuclear Cataract: Cross-Sectional Analysis in the HEIJO-KYO Cohort
Yoshikawa T , Obayashi K* , Miyata K , Nishi T , Ueda T , Kurumatani N , Saeki K , Ogata N
Hypertens Res 42(2) 204-210 Feb, 2019

Farming Habit, Light Exposure, Physical Activity, and Depressive Symptoms: A Cross-Sectional Study of the HEIJO-KYO Cohort
Asai Y , Obayashi K , Oume M , Ogura M , Takeuchi K , Yamagami Y , Tai Y , Kurumatani N , Saeki K
J Affect Disord 241(12) 235-240 Dec, 2018

Gender Differences in the Relationships between Chronic Kidney Disease, Asymmetric Dimethylarginine, and Sleep Quality:The HEIJO-KYO Cohort
Obayashi K* , Kurumatani N , Saeki K
Nitric Oxide 79(9) 25-30 Sep, 2018

Gender Differences in the Association between Melatonin Secretion and Diabetes in Elderly: the HEIJO-KYO Cohort
Obayashi K* , Yamagami Y , Iwamoto J , Kurumatani N , Saeki K
Clin Endocrinol 89(6) 750-756 Jun, 2018

Thermal and Lighting Housing Environments and Circadian Blood Pressure Variability: Findings from the HEIJO-KYO Cohort
Obayashi K* , Saeki K
Nihon Eiseigaku Zasshi 73(2) 138-142 Jun, 2018

Decreased Daytime Light Intensity at Non-Window Hospital Beds: Comparisons with Light Intensity at Window Hospital Beds and Light Exposure in Non-Hospitalized Elderly Individuals
Iwamoto J , Obayashi K* , Kobayashi M , Kotsuji T , Matsui R , Ito K , Yoshida O , Kurumatani N , Saeki K
Chronobiol Int 35(5) 719-723 May, 2018

Response to “Light at Night Predicts Depression—What Next?”
Obayashi K* , Saeki K , Kurumatani N
Am J Epidemiol 187(3) 439-440 Mar, 2018